CVE-2023-23454

MediumCVSS 5.5/10Last modified Oct 14, 2026

Description

cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-843

Affected software

No affected versions have been published.

Timeline

Published: Jan 12, 2023
Last modified: Oct 14, 2026
NVD status: Modified

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